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    Re: Classification of the methods for clearing the Lunar Distances
    From: Bill Noyce
    Date: 2003 Apr 7, 16:50 -0400

    Jan Kalivoda wrote:
    
    > Borda (1778):
    >  cos A squared = cos M cos S sec m sec s cos[(m+s+d)/2] cos[(m+s-d)/2]
    >  sin D/2 squared = sin[A + (M+S)/2] sin[A - (M+S)/2]
    >
    > I cannot understand, why this cumbersome method gained such popularity.
    
    One advantage of this method, as George Huxtable has pointed out, is that
    it can be performed using logarithms with no need to take antilogs.  Does that
    account for its popularity?
    
    Thanks for the very informative survey.
            -- Bill
    
    
    

       
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